Hajali , Nurain Nabila, and Mohd Hairy Ibrahim. “Perbandingan Amalan Pendidikan Sisa Pepejal Antara Mahasiswa Universiti Pendidikan Sultan Idris (UPSI) Dan Universiti Tun Hussein Onn Malaysia (UTHM)”. GEOGRAFI 11, no. 2 (December 27, 2023): 81–90. Accessed May 17, 2024. https://ejournal.upsi.edu.my/index.php/GEOG/article/view/8583.